GPT-5 vs GPT-5.6 Luna

GPT-5 against GPT-5.6 Luna
GPT-5GPT-5.6 Luna
Coding index72.261.5
Benchmarks behind it Verified, 3 benchmarks Partial, 2 benchmarks
Output $/Mtok$10.00$1.20
Cost per solved task$0.39$0.04
Context window400K1.05M